Physics – Quantum Physics
Scientific paper
2006-07-26
Physics
Quantum Physics
Submited to Physical Review Letter
Scientific paper
10.1103/PhysRevLett.97.113601
We report on the first spectroscopic observation of the rotational Doppler
shift associated with light beams carrying orbital angular momentum. The effect
is evidenced as the broadening of a Hanle/EIT coherence resonance on Rb vapor
when the two incident Laguerre-Gaussian laser beams have opposite topological
charges. The observations closely agree with theoretical predictions.
Barreiro Sergio
Failache Horacio
Lezama Arturo
Tabosa J. W. R.
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